16269994 has 16 divisors (see below), whose sum is σ = 26528040. Its totient is φ = 7439040.

The previous prime is 16269991. The next prime is 16270013. The reversal of 16269994 is 49996261.

It can be written as a sum of positive squares in 4 ways, for example, as 12709225 + 3560769 = 3565^2 + 1887^2 .

It is not an unprimeable number, because it can be changed into a prime (16269991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37 + ... + 5704.

Almost surely, 2^16269994 is an apocalyptic number.

16269994 is a deficient number, since it is larger than the sum of its proper divisors (10258046).

16269994 is a wasteful number, since it uses less digits than its factorization.

16269994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5865.

The product of its digits is 209952, while the sum is 46.

The square root of 16269994 is about 4033.6080622688. The cubic root of 16269994 is about 253.3936909893.

The spelling of 16269994 in words is "sixteen million, two hundred sixty-nine thousand, nine hundred ninety-four".